BR9205129A - PROCESS FOR THE PREPARATION OF PURE ISOCIANATES - Google Patents

PROCESS FOR THE PREPARATION OF PURE ISOCIANATES

Info

Publication number: BR9205129A
Authority: BR; Brazil
Prior art keywords: isocianates; pure; preparation; pure isocianates
Prior art date: 1991-12-23

Application number

BR9205129A

Other languages

Portuguese (pt)

Inventor

Javier Calvo Arribas

Ciriaco Domingo Arribas

Salvador Vidal Rodriguez

Original Assignee

Bayer Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-12-23

Filing date

1992-12-22

Publication date

1993-06-29

1992-12-22 Application filed by Bayer Ag filed Critical Bayer Ag

1993-06-29 Publication of BR9205129A publication Critical patent/BR9205129A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/90—Particular type of heating
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S528/902—Particulate material prepared from an isocyanate

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyurethanes Or Polyureas (AREA)

BR9205129A 1991-12-23 1992-12-22 PROCESS FOR THE PREPARATION OF PURE ISOCIANATES BR9205129A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE4142769A DE4142769A1 (en)	1991-12-23	1991-12-23	METHOD FOR THE PRODUCTION OF ISOCYANATES AND PROCESSING OF THE RESIDUE

Publications (1)

Publication Number	Publication Date
BR9205129A true BR9205129A (en)	1993-06-29

Family

ID=6448018

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9205129A BR9205129A (en)	1991-12-23	1992-12-22	PROCESS FOR THE PREPARATION OF PURE ISOCIANATES

Country Status (10)

Country	Link
US (1)	US5354432A (en)
EP (1)	EP0548685B1 (en)
JP (1)	JP2916846B2 (en)
KR (1)	KR100230708B1 (en)
BR (1)	BR9205129A (en)
CA (1)	CA2085947A1 (en)
DE (2)	DE4142769A1 (en)
ES (1)	ES2089353T3 (en)
MX (1)	MX9207151A (en)
TW (1)	TW330197B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4430951C1 (en) *	1994-08-31	1996-05-23	Bayer Ag	Method and device for separating a solid residue from its solution in a stirred material bed
DE10260027A1 (en) *	2002-12-19	2004-07-08	Basf Ag	Process for the separation and purification of solvents from a reaction mixture from an isocyanate synthesis
US8030522B2 (en) *	2006-06-07	2011-10-04	Bayer Materialscience Llc	Process for the production of toluene diisocyanate
DE102006060181A1 (en) *	2006-12-18	2008-06-19	Bayer Materialscience Ag	Process for the preparation of tolylene diisocyanate
DE102007020444A1 (en)	2007-04-27	2008-11-06	Bayer Materialscience Ag	Process for the oxidation of a hydrogen chloride-containing gas mixture
CN101790510B (en)	2007-08-31	2013-07-24	巴斯夫欧洲公司	Process for preparing isocyanates
WO2014009342A1 (en)	2012-07-11	2014-01-16	Bayer Materialscience Ag	Method for working up distillation residues from isocyanate production
EP3036217B1 (en)	2013-08-19	2017-06-28	Covestro Deutschland AG	Process for the production of organic isocyanates from distillation residues of the isocyanate production process
KR102596786B1 (en)	2016-12-21	2023-11-02	코베스트로 도이칠란트 아게	How to Make Isocyanate
EP3597632A1 (en) *	2018-07-18	2020-01-22	Covestro Deutschland AG	Method for recovering diisocyantes from distillation remnants
EP3960728A1 (en)	2020-08-24	2022-03-02	Covestro Deutschland AG	Method for producing isocyanate with thermal oxidative recycling
EP4335839A1 (en) *	2022-09-09	2024-03-13	Covestro Deutschland AG	Process for the treatment of residues from the production of organic isocyanates
WO2025036896A1 (en)	2023-08-15	2025-02-20	Covestro Deutschland Ag	Method for providing a granulate suitable for combustion, granulate suitable for combustion, and use of same as a fuel

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2889257A (en) *	1956-05-17	1959-06-02	Du Pont	Distillation of tar residues
US3884951A (en) *	1968-09-11	1975-05-20	Exxon Research Engineering Co	Thioether isocyanate adducts
US3658656A (en) *	1968-11-07	1972-04-25	Takeda Chemical Industries Ltd	Purification of xylylene organic diisocyanate by fractional distillation in the presence of an inert gas or superheated vapor of an organic solvent
US3897314A (en) *	1970-07-18	1975-07-29	Bayer Ag	Process for removing distillation residue from crude isocyanates
GB1408745A (en) *	1970-09-23	1975-10-01	Res Ind Inc	Method of recovering pure toluene diisocyanate from a polymeric residue product
US3729386A (en) *	1971-01-04	1973-04-24	Du Pont	Organic isocyanate recovery process by distillation with a tar-thinning agent and a stripping agent
GB1353787A (en) *	1971-09-27	1974-05-22	Ici Ltd	Process for the purification of isocyanates
US3892634A (en) *	1973-02-20	1975-07-01	Upjohn Co	Separation of 2,4{40 {0 and 4,4{40 {0 methylene bis(phenyl isocyanate) from polymethylene polyphenyl polyisocyanates
US3912600A (en) *	1974-05-09	1975-10-14	Upjohn Co	Recovery of polymethylene polyphenyl polyisocyanate from a phoshenosed polyamine feed
JPS5337852B2 (en) *	1974-06-04	1978-10-12
DE2846815A1 (en) *	1978-10-27	1980-05-08	Ayer Ag	METHOD FOR PROCESSING ISOCYANATE DISTILLATION RESIDUES
DE2915830A1 (en) *	1979-04-19	1980-10-23	Basf Ag	PRODUCTION OF TOLUYLENE DIISOCYANATE AND / OR HIGH-BOILING SOLVENTS IN THE FLUID BED FROM DISTILLATION RESIDUES OF THE TOLUYLENE DIISOCANATE PRODUCTION
SE8604441L (en) *	1986-10-20	1988-04-21	Nobel Chematur Ab	PUT TO EXPLORE ISOCYANATES
WO1990009990A1 (en) *	1989-03-03	1990-09-07	The Lubrizol Corporation	A process for distillation of crude isocyanate concentrates

1991
- 1991-12-23 DE DE4142769A patent/DE4142769A1/en not_active Withdrawn
1992
- 1992-11-25 TW TW081109434A patent/TW330197B/en active
- 1992-12-10 MX MX9207151A patent/MX9207151A/en not_active IP Right Cessation
- 1992-12-10 EP EP92121037A patent/EP0548685B1/en not_active Expired - Lifetime
- 1992-12-10 DE DE59206781T patent/DE59206781D1/en not_active Expired - Fee Related
- 1992-12-10 ES ES92121037T patent/ES2089353T3/en not_active Expired - Lifetime
- 1992-12-15 US US07/991,011 patent/US5354432A/en not_active Expired - Fee Related
- 1992-12-21 JP JP4355470A patent/JP2916846B2/en not_active Expired - Fee Related
- 1992-12-21 CA CA002085947A patent/CA2085947A1/en not_active Abandoned
- 1992-12-22 KR KR1019920024989A patent/KR100230708B1/en not_active Expired - Fee Related
- 1992-12-22 BR BR9205129A patent/BR9205129A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0548685A2 (en)	1993-06-30
KR100230708B1 (en)	1999-11-15
DE59206781D1 (en)	1996-08-22
MX9207151A (en)	1993-06-01
ES2089353T3 (en)	1996-10-01
EP0548685A3 (en)	1993-08-11
KR930012693A (en)	1993-07-21
CA2085947A1 (en)	1993-06-24
JPH05255228A (en)	1993-10-05
DE4142769A1 (en)	1993-06-24
JP2916846B2 (en)	1999-07-05
US5354432A (en)	1994-10-11
TW330197B (en)	1998-04-21
EP0548685B1 (en)	1996-07-17

Publication	Publication Date	Title
PT97433A (en)	1992-02-28	PROCESS FOR THE PREPARATION OF SACAROSE-6-ESTER
PT92534A (en)	1990-06-29	PROCESS FOR THE PREPARATION OF AZABICYLIC COMPOUNDS
PT90293A (en)	1989-11-10	PROCESS FOR THE PREPARATION OF MACROLIDS
PT91068A (en)	1990-02-08	PROCESS FOR THE PREPARATION OF BIARILLO COMPOUNDS
PT91872A (en)	1990-04-30	PROCESS FOR THE PREPARATION OF AZABICYLIC COMPOUNDS
BR8906327A (en)	1990-08-21	PROCESS FOR THE PREPARATION OF ORGANOCLOROSILANS
PT90266A (en)	1989-11-10	PROCESS FOR THE PREPARATION OF AZABICYLIC COMPOUNDS
PT90854A (en)	1989-12-29	PROCESS FOR THE PREPARATION OF 1-ARYL-2-NAFTOYLAMINS
PT92638A (en)	1990-06-29	PROCESS FOR THE PREPARATION OF MONO-N-ACKYLATED POLYMAZAMACROCYCLES
BR9205129A (en)	1993-06-29	PROCESS FOR THE PREPARATION OF PURE ISOCIANATES
BR9001503A (en)	1991-04-16	PROCESS FOR THE PREPARATION OF ALKYL-HALOGENOSILANS
PT97828A (en)	1992-03-31	PROCESS FOR THE PREPARATION OF PHENYL-TRIAZINES
BR9301399A (en)	1993-10-13	PROCESS FOR THE PREPARATION OF A MONOAZOCORANT
BR9102040A (en)	1991-12-24	PROCESS FOR THE PREPARATION OF THIO-DERIVATIVES OF ALKYL-HYDROXYLYANINE-TRIAZINE
BR8903367A (en)	1990-02-13	PROCESS FOR THE PREPARATION OF ORGANOCLOROSILANS
PT92507A (en)	1990-06-29	PROCESS FOR THE PREPARATION OF ALPHA-CYANO-BETA-OXOPROPIONAMIDES
BR8902030A (en)	1989-12-05	PROCESS FOR THE PREPARATION OF N-PHOSPHONOMETHYLGLYCIN
BR9104802A (en)	1992-09-15	PROCESS FOR THE PREPARATION OF A COMPOUND
PT90588A (en)	1989-11-30	PROCESS FOR THE PREPARATION OF SUBSTITUTED DIBENZOTIOPHENES
PT90267A (en)	1989-11-10	PROCESS FOR THE PREPARATION OF AZABICYLIC COMPOUNDS
BR8906056A (en)	1990-06-26	PROCESS FOR THE PREPARATION OF ALKANOSULPHONAMIDS
BR9306316A (en)	1998-06-30	Process for the preparation of hexafluorochlorobutenene
BR9205680A (en)	1994-05-17	Process for the preparation of 3'-aminopropyl-2-sulfatoethylsulfone
BR8901753A (en)	1989-11-28	PROCESS FOR THE PREPARATION OF ALCANODIOIS
PT101158A (en)	1994-03-31	Process for the preparation of novel benzofuranylimidazole derivatives

Legal Events

Date	Code	Title	Description
1995-12-05	EE	Request for examination
1998-12-22	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1999-06-22	FC	Decision: refusal
1999-09-14	CKFC	Appeal: appeal against refusal
2000-03-08	FG9A	Patent or certificate of addition granted
2010-12-14	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 14A,15A,16A,17A E 18A ANUIDADES.
2017-01-24	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 14A, 15A, 16A, 17A E 18A ANUIDADES.
2017-05-23	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)